On 10/04/2018 05:25, glob wrote:
mozilla-central contains code vendored from external sources. Currently
there is no standard way to document and update this code. In order to
facilitate automation around auditing, vendoring, and linting we intend
to require all vendored code to be annotated with an in-tree YAML file,
and for the vendoring process to be standardised and automated.
The plan is to create a YAML file for each library containing metadata
such as the homepage url, vendored version, bugzilla component, etc. See
https://goo.gl/QZyz4xfor the full specification.
So we now have moz.build that in addition to build instructions,
contains metadata for mozilla-authored code (e.g. bugzilla components)
and moz.yaml that will contain similar metadata but only for
non-mozilla-authored code, as well as Cargo.toml that will contain (some
of) that metadata but only for code written in Rust.
As someone who ended up having to write code to update moz.build files
programatically, the situation where we have similar metadata spread
over three different kinds of files, one of them Turing complete,
doesn't make me happy. Rust may be unsolvable, but it would be good if
we didn't have two mozilla-specific formats for specifying metadata
about source files. It would be especially good if updating this
metadata didn't require pattern matching a Python AST.
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